title: Reply to Letter to the editor - is no difference always a good thing? Panayiotis A. Kyzas.
authors.affiliation: Department of Otolaryngology, VU University Medical Center, Amsterdam, The Netherlands; Department of Head and Neck Surgery, VU University Medical Center, Amsterdam, The Netherlands.
authors.forename: Géke B
authors.initials: GB
authors.lastname: Flach
authors.affiliation: Department of Otolaryngology, VU University Medical Center, Amsterdam, The Netherlands; Department of Head and Neck Surgery, VU University Medical Center, Amsterdam, The Netherlands.
authors.forename: C
authors.initials: C
authors.lastname: René Leemans
authors.affiliation: Department of Otolaryngology/Head and Neck Surgery, VU University Medical Center, De Boelelaan 1117, PO Box 7057, 1007 MB Amsterdam, The Netherlands. Electronic address: r.bree@vumc.nl.
authors.forename: Remco
authors.initials: R
authors.lastname: de Bree
authors.affiliation: Department of Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands.
authors.forename: Birgit I
authors.initials: BI
authors.lastname: Witte
mesh_terms: D001707:Biopsy, Needle / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D009062:Mouth Neoplasms / Q000601:surgery*